Did you ever wonder how some people have their fresh vegetables and fruits on table throughout the entire year? The answer for this riddle is using greenhouses. Growing fruits and vegetables inside a greenhouse will protect your plants from birds and strong wind, it will also provide a stable and warm environment where plants can be grown all year even when it's snowing outside, and the good news is, you can make a greenhouse by yourself with a minimum cost. Here are 15 DIY ideas to make ...